Harsh 1-2 Shift
WARNING: This page is about a different car, the 2004 Ford RV Cutaway, 2004 Ford Econoline, 2004 Ford E450 Super Duty, and 2004 Ford Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC ROUTINE - HARSH 1-2 SHIFT
| Possible Component |
Reference/Action |
| 236 - ROUTINE |
| Powertrain Control System |
- PCM, vehicle wiring harnesses, transmission internal harness, transmission pressure control solenoid SSPC-B, TSS/Intermediate shaft speed sensor, OSS sensor, TFT sensor
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- Carry out on-board diagnostic tests. Refer to the appropriate INTRODUCTION
article for diagnosis and testing of the PCM.
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- Repair as necessary. Clear DTCs, road test and rerun on-board diagnostic test.
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| Fluid |
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| Incorrect Pressures |
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- Check pressure at line tap.
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| Solenoid Body Assembly |
- Bolts not tightened to specification
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- Tighten to specification.
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- Inspect for damage. If damaged, install a new filter gasket.
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- SSPC-B solenoid damaged, stuck or bore damaged; manual valve damaged, stuck or bore damaged
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- If damaged or parts are missing, install a new solenoid body assembly. If misassembled, reassemble correctly.
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| Intermediate Clutch Assembly |
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- Inspect for damage. Repair as necessary.
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- Filtered orifice damaged, missing, not seating, off location
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- Inspect for mislocation, poor seating, damage. Install a pump if damaged.
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- Friction elements damaged or worn
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- Inspect for damage. Repair as necessary.
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- Inspect for damage. Repair as necessary.
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- Snap ring for OWC and/or return spring not seated or damaged
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- Inspect for damage. Repair as necessary.
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